<div class="navbar navbar-inverse navbar-fixed-top">
  <div class="container">
    <div class="navbar-header">
      <a class="navbar-brand" href="#">在线竞拍</a>
      <button type="button" class="navbar-toggle collapsed" data-toggle="collapse"
      data-target=".nav">
      <span class="icon-bar"></span>
      <span class="icon-bar"></span>
      <span class="icon-bar"></span>
    </button>
    </div>
    <div class="collapse navbar-collapse" class="nav">
      <ul class="nav navbar-nav">
        <li>
          <a href="#">关于我们</a>
        </li>
        <li>
          <a href="#">联系我们</a>
        </li>
        <li>
          <a href="#">网站地图</a>
        </li>
      </ul>
    </div>
  </div>
</div>
